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Related articles:

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Switching to GRHA Mode

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titleNote

This feature is not configurable during software installation nor is it changeable during an upgrade.

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Accomplish the following steps to switch to GRHA mode:

  1. Upgrade the SBC application either using LSWU or Platform Manager.

Stop the standby SBC application. On the SBC main screen, go to Administration > System Administration > Platform Management. The Platform and SBC Application Controls window is displayed. To stop the application, click Stop SBC Application in the status panel.

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1Stop SBC Application Panel

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Note

The services on standby SBC server must be stopped before switching to GRHA mode since the switch to GRHA mode causes a temporary HA link outage. The script will verify the state of the servers and make the necessary changes.

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  2. From the CLI command prompt, perform one of the steps below, depending on your configuration. For example, in SBC Core, set bond monitoring type to network-connect and leader election algorithm type to enhanced:

    Code Block
    > request system admin sbx1

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  1.  setHaConfig bondMonitoring network-connect leaderElection enhanced

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Verifying GRHA Mode
Accomplish the following step to verify GRHA mode:
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On the active server, execute the following command:
show table system haConfig 
                        LEADER     BOND 
SERVER NAME             ELECTION   MONITORING 
--------------------------------------------------
sbx1.eng.sonusnet.com   enhanced   network-connect
sbx2.eng.sonusnet.com   enhanced   network-connect


Switching Out of the GRHA Mode
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To set bond monitoring type to 
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direct-connect
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 and 
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 leader election algorithm type to standard, enter the following command:
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> request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection 
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1Start SBC Application Panel
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 Note
The standby server comes up and reconnects as standby with the GRHA mode enabled on both the machines.
standard
 Verifying GRHA Mode
Accomplish the following step to verify non-GRHA mode:
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> show table system haConfig 
                        LEADER     BOND 
SERVER NAME             ELECTION   MONITORING 
--------------------------------------------------
sbx1.eng.sonusnet.com   standard   direct-connect
sbx2.eng.sonusnet.com   standard   direct-connect


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